Khan, M. R., M. L. Saha, and S. B. Zuha. “Bacteria and Actinomycetes Growing on Floppy and Compact Discs under Ambient Conditions”. Bangladesh Journal of Botany, vol. 37, no. 1, Nov. 2008, pp. 7-14, doi:10.3329/bjb.v37i1.1557.